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761380070 = 25116921637
BaseRepresentation
bin101101011000011…
…011110011100110
31222001200010002212
4231120123303212
53024403130240
6203315003422
724603423653
oct5530336346
91861603085
10761380070
11360863130
12192b99572
13c1980569
1473194c2a
1546c99165
hex2d61bce6

761380070 has 16 divisors (see below), whose sum is σ = 1495073808. Its totient is φ = 276865440.

The previous prime is 761380069. The next prime is 761380099. The reversal of 761380070 is 70083167.

It is a happy number.

It is a super-2 number, since 2×7613800702 = 1159399221986409800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3460709 + ... + 3460928.

It is an arithmetic number, because the mean of its divisors is an integer number (93442113).

Almost surely, 2761380070 is an apocalyptic number.

761380070 is a deficient number, since it is larger than the sum of its proper divisors (733693738).

761380070 is a wasteful number, since it uses less digits than its factorization.

761380070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921655.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 761380070 is about 27593.1163517280. The cubic root of 761380070 is about 913.1325724519.

The spelling of 761380070 in words is "seven hundred sixty-one million, three hundred eighty thousand, seventy".

Divisors: 1 2 5 10 11 22 55 110 6921637 13843274 34608185 69216370 76138007 152276014 380690035 761380070